Improvement in blacksmiths  forcing-hammers



J. KQPLIN.

BLACKS'MITI-IS FO'RGINGHAMMERS.

- No.1 76.867. Patented May 2; 1876.

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WITNESSES ATTORNEYS.

N- PETERS, PHOTWLITHOGRAFHER, WASHINGTON. D C.

UNITED ST TES PATENT. Grimes.

-JOHN KOPLIN, or REEDS LANDING, MINNESOTA.

IMPROVEMENT IN BLACK SMITHS FORGlNG-HAMMERS.

Specification forming part of Letters Patent No. 176,867, dated May2,1876; application filed March 6, 1876.

To all whom it may. concern Be it known that l, J OHN' KOPLIN, of ReedsLanding, in the county of Wabasha and Stateof Minnesota, have invented anew and Improved Foot-Power Hammer, of which the following is aspecification:

My invention consists of the construction and arrangement of theapparatus whereby a sledge-hammer is worked by a foot-lever and springs,all as hereinafter described.

Figure 1 is a sectional elevation of the machine, and Fig. 2 is a topview.

Similar letters of' reference indicate corresponding parts,

A is the'hammer, in which is a short.wooden helve, B, which is boltedbetween the two metal arms 0, and confined between the two side strapsD, which extend a short distance along the helve from the hammer, andare connected, by the strong lugs E and rods F, with the pivot-shaft G,to which the arms 0 are also attached, making a substantial c011-nection, calculated to sustain the shocks of the hammer successfully.The shaft G is mounted in' bearings on the upright supports H, and hasan arm, I, to the outer end of which the for different cases.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The hammer A, metal straps D, and helve B, metal bars 0, rods F, andpivotshaft G, combined and arranged substantially as specified.

2. The hammer A, helve B G D, shaft G, I

spring L, arm I, and toot-treadle J, combined and arranged substantiallyas specified.

JOHN KOPLIN. Witnesses:

LOUIS E. HANNEMAN, HUGH DOUGLAS.

